LABORATORY SUPPLIES AND CHEMICALS 



215 



3519 



3518 



3518 MOULDS, Pouring, Cast Iron, with 25 spherical depressions; for crucible or 



scorification assays $1.50 



3519 MOULDS, Pouring, as above, with 12 spherical depressions. 



3520 



3520 MUFFLERS, Denver. Order by letters or numbers and shape. 



2.00 



